Fast and affordable security assistance for ransomware infections
Ransomware - which encrypts and hold your vital systems and data for ransom - continues flexing corrupting muscles on computers and users worldwide. Ransomware has become big business, with annual revenue in this "business" in the billions of dollars. This major "financial industry" targets small and medium businesses, with a recent survey showing that 50% of small businesses have been breached in last 12 months.
Like many other forms of malware, ransomware often enters business networks through email. Or if a user simply visits an affected website, the user’s PC can be infected without even clicking on anything malicious. This means most antivirus programs are unable to prevent ransomware, leaving any computer and user vulnerable.
Our security experts at CMIT Solutions of Northern Virginia can help limit the damages done by ransomware by removing it and assisting with data recovery. Time is critical -- the sooner we can help, the less chances your valuable data gets encrypted or lost for good.
Once the threat gets inside a host computer, it connects to illicit servers; uploads sensitive info like your public IP address, location, and system information; and generates a random encryption key. The encryption key begins copying individual files -- both on your computer and on any mapped external drive, shared network, and cloud-based storage. Once encrypted copies of those files are created, originals are deleted from the hard drive, preventing you from accessing them.
You will receive instructions to pay a ransom (usually around $500-$1,000) and obtain a decryption key. Take note, that key to retrieve data may or may not work. Even when it does work, it’s a time-consuming task. If you notice your computer is slower than usual before you see either of the two signs above, it’s possible ransomware is already at work.
Would you like to know more? Download our ransomeware white paper here.
Due to the slippery “malvertising” aspect and its continually evolving form (funded by successful ransoms), stopping it requires more than just an antivirus and firewall solution. Limiting administrative rights for user PCs, applying DNS filters, implementing strict browser settings, and employing constantly updated behavioral anti-spyware can help. But these are complicated measures that most business owners don’t have the time or ability to keep up with. Only nonstop vigilance can properly address the threat -- and that kind of 24/7 service is what an IT professional like CMIT Solutions of Northern Virginia specializes in.
Today, most software updates -- whether for your mobile devices, desktop, laptop, server, or network gear -- include security improvements intended to address discovered flaws. You can help reduce the exposure of your devices, systems, and network by installing updates as soon as they become available.
Businesses should be creating comprehensive image-based offsite backups multiple times a day. If a threat hits a 20-person firm at 4:00 PM and that firm has to rely on an encrypted backup from the night before to get up and running again, their employees will lose an entire day of work. Remember, a local backup plugged into a computer will still be susceptible to ransomware if it infects your system!
Ransomware often arrives in email, so email security is still paramount. Never open attachments you aren’t expecting -- even if they appear to come from legitimate-looking email accounts.
Malicious links arrive in spam emails every day (many are disguised as FedEx, UPS, or USPS shipping updates). Make sure you hover over all links and look for legitimate IP addresses (and not long strings of random characters) before clicking. All it takes is one click on a bad link by one employee to compromise the data of your entire company. Avoiding the threats is possible with diligent and continuously updated security measures. But accidents can happen, which makes a strong backup solution critical to the success of your business.
Today, most email services come with a basic spam management capability to help manage obvious spam. But dedicated, business-class email security/spam filtering solutions offer more advanced protection through improved feature sets for spam detection and handling, and also can prevent spam and attached malware or links from ever entering your email system and IT infrastructure. If it stays out, it can’t infect your network and encrypt your vital business data.
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